function textareaResizer(textarea){if(textareaResizer.htmlstyle==null)
textareaResizer.htmlstyle=document.getElementsByTagName('html')[0].style;var ua=navigator.userAgent.toLowerCase(),name;switch(true){case ua.indexOf('konqueror')>=0:case ua.indexOf('opera')>=0:case ua.charAt(ua.indexOf('msie')+5)==5:case ua.charAt(ua.indexOf('safari')-4)>=3:return;break;};var index=textareaResizer.instances.length;textareaResizer.instances[textareaResizer.instances.length]=this;var handle=document.createElement('div');handle.className='textarea-handle';handle.onmousedown=function(e){textareaResizer.instances[index].listen(e);};handle.onmouseover=function(){this.style.cursor='n-resize';};handle.onmouseout=function(){this.style.cursor='auto';};handle=textarea.parentNode.insertBefore(handle,textarea.nextSibling);handle.middle=Math.ceil(textareaResizer.findHeight(handle)/2);this.handle=handle;this.textarea=textarea;this.index=index;this.minHeight=50;};textareaResizer.isResizing=false;textareaResizer.instances=new Array;textareaResizer.htmlstyle=null;textareaResizer.findPosY=function(obj){var curtop=0;if(obj.offsetParent)
while(obj.offsetParent){curtop+=obj.offsetTop
obj=obj.offsetParent;}
else if(obj.y)
curtop+=obj.y;return curtop;};textareaResizer.findHeight=function(element,recalc){if(element.height&&recalc!=true)
return element.height;else{if(element.style.height)
element.height=parseInt(element.style.height);else{element.style.height=element.clientHeight+'px';element.height=parseInt(element.style.height);};return element.height;}};textareaResizer.pageY=function(e){if(!e.pageY)
return e.clientY+window.document.documentElement.scrollTop;else
return e.pageY;};textareaResizer.addToAll=function(){for(var i=0,textarea;textarea=document.getElementsByTagName('textarea')[i];i++)
new textareaResizer(textarea);textarea=null;};textareaResizer.prototype.listen=function(e){var handle=this.handle,index=this.index;textareaResizer.htmlstyle.cursor='n-resize';textareaResizer.isResizing=true;handle.onmousedown=null;handle.onmouseup=function(e){textareaResizer.instances[index].stopListening(e);};window.document.onmouseup=function(e){textareaResizer.instances[index].stopListening(e);};window.document.onmousemove=function(e){textareaResizer.instances[index].resize(e);};};textareaResizer.prototype.resize=function(e){if(!e)var e=window.event;e.cancelBubble=true;var selection=document.selection;if(selection)
selection.clear();if(textareaResizer.isResizing){var textarea=this.textarea,handle=this.handle,minHeight=this.minHeight;var newHeight=textareaResizer.findHeight(textarea,true)+textareaResizer.pageY(e)-textareaResizer.findPosY(handle)-handle.middle;if(newHeight<minHeight)
newHeight=minHeight;textarea.style.height=newHeight+'px';};};textareaResizer.prototype.stopListening=function(e){var handle=this.handle,index=this.index;textareaResizer.htmlstyle.cursor='auto';textareaResizer.isResizing=false;window.document.onmousemove=null;window.document.onmouseup=null;handle.onmouseup=null;handle.onmousedown=function(e){textareaResizer.instances[index].listen(e);};};